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Statistics Chapter 7
Estimating a Population Proportion:
o The sample proportion is the best point estimate of the population proportion.
o You can use a sample proportion to construct a confidence interval to estimate the true
value of a population propo

Chapter 6
Normal Distribution: If a continuous random variable has a distribution with a graph that
is symmetric and bell-shaped, as in Figure 6.1 (p250), and it can be described by the
equation given in the Formula (below).
y
Standard Normal Distribution